be an effort, sleek, means, unstable, hairy, slippy, perplexing, punishing, silklike, spiny, cagey, intractable, corrupt, knavish, touch-and-go, sensitive, honest, involved, critical, attention-getting, unprincipled, silken, delicate, dodgy, chanceful, untruthful, chancy, dishonest, guileful, intolerable, satiny, awkward, ability, silky, taxing, sticky, prickly, intricate, dubious, catchy, tricksy, beguiling, cute, testing, clear-cut, pat, untrustworthy, fraudulent, easy, nasty, problematic, impossible, unscrupulous, glib, touchy, untrusty, deceitful, challenging, dicey
cunning (part of speech: adjective)
intuitive (part of speech: adjective)
witty (part of speech: adjective)
foxy, brilliant, droll, funny, dry, sparkling, sly, astute, waggish, sophisticated, facetious, wily, subtle, sharp, joking, canny, resourceful, urbane, witty, adroit, comical, pithy, ingenious, scurrilous, sarcastic, intelligent, jocular, clever, quick, cunning, crafty, pointed, smart, shrewd, quick-witted, artful, inventive, scintillating, deft
difficult (part of speech: adjective)
formidable, stressful, cumbersome, contrary, severe, arduous, knotty, demanding, harsh, oppressive, uphill, thorny, tough, finicky, hard, fussy, troublesome, difficult, wearing, toilsome, strenuous, wearying, complicated, complex, cantankerous, ticklish, rugged, burdensome, wearisome, grinding, adverse, tight, laborious, rough, onerous, trying, bothersome
- But I suppose he's like all lawyers,- cunning and tricky, conceited and supercilious, full of prejudice and cant, and a red- hot Tory into the bargain. - "Lucretia, Complete", Edward Bulwer-Lytton.
- But, on the 8th of February, 1587, before he could sail, Mary was at last beheaded, and Elizabeth was once more entering on a tricky course of tortuous diplomacy too long by half to follow here. - "Elizabethan Sea Dogs", William Wood.
- This was not, however, often attempted, for the tides and currents were exceedingly tricky in these parts. - "Patsy", S. R. Crockett.